爱因斯坦场方程II的时间周期解
Time-Periodic Solutions of the Einstein's Field Equations II
摘要：
本文分别构造了真空爱因斯坦场方程的几类新的时间周期解，它们的黎曼曲率张量在时空中的某些点处为零、保持有限或取无穷大.研究了这些新的时间周期解的奇异性，发现了一些新的物理现象，并对这些解在现代宇宙学和广义相对论中的应用进行了展望。
英文摘要：
In this paper, we construct several kinds of new time-periodic solutions of the vacuum Einstein's field equations whose Riemann curvature tensors vanish, keep finite or take the infinity at some points in these space-times, respectively. The singularities of these new time-periodic solutions are investigated and some new physical phenomena are found. The applications of these solutions in modern cosmology and general relativity can be expected.
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